Submission #472341

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
472341	2021-09-13 12:01:15	elgamalsalman	Toll (BOI17_toll)	C++14	39 / 100	3077 ms	10172 KiB

toll

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#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
typedef long long ll;
typedef pair<ll, ll> ii;
typedef vector<ll> vi;
typedef vector<ii> vii;
typedef vector<vii> vvii;
ll k, n, m, o, dp[50050];
vvii  adj;
void getToll(ll u, ll v) {
  //cerr << "// getToll(" << u << ", " << v << ")\n";
  if (dp[u] != -1) return;
  if (u == v) { dp[u] = 0; return; }
  if (u/k >= v/k) { dp[u] = 1e10; return; }
  //if (u == 1) cerr << "// check1\n";
  ll minToll = 1e10;
  for (ii edge : adj[u]) {
    //if (u == 1) cerr << "// check2 {" << edge.fi << ", " << edge.se << "}\n";
    getToll(edge.fi, v);
    if (dp[edge.fi] >= 1e10) continue;
    ll currToll = dp[edge.fi] + edge.se;
 
 
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• Subtask 1: 0 / 7
• Subtask 2: 0 / 10
• Subtask 3: 8 / 8
• Subtask 4: 31 / 31
• Subtask 5: 0 / 44